<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="/static/lib/layui/css/layui.css">
</head>

<body>
  <div id="breadcrumb" style="margin-top: 15px;margin-bottom:20px;">
    <span class="layui-breadcrumb">
      <a href="/welcome">首页</a>
      <a href="/cateList">分类管理</a>
      <a><cite>编辑分类</cite></a>
    </span>
  </div>
  <form class="layui-form" action="" style="max-width: 800px;">
    <div class="layui-form-item">
      <label class="layui-form-label">分类名称</label>
      <div class="layui-input-block"> 
        <input type="hidden" name="_id" value="<%= cate._id %>">
        <input type="text" value="<%= cate.cateName %>" name="cateName" required lay-verify="required" placeholder="请输入标题" autocomplete="off"
          class="layui-input">
      </div>
    </div>
    <div class="layui-form-item">
      <label class="layui-form-label">父级分类</label>
      <div class="layui-input-block">
        <select name="pid" lay-verify="required">
          <option value="">请选择父级分类</option>
          <option <%= cate.pid == -1 && 'selected' %> value="-1">顶级分类</option>
          <% for(var i=0;i<cates.length;i++) { %>
            <option <%= cate.pid == cates[i]._id && 'selected' %> value="<%= cates[i]._id %>">
              <%= cates[i].cateName %>
            </option>
            <% } %>
        </select>
      </div>
    </div>
    <div class="layui-form-item">
      <label class="layui-form-label">上传分类图标</label>
      <div class="layui-input-block">
        <button type="button" class="layui-btn" id="upload">
          <i class="layui-icon">&#xe67c;</i>上传图片
        </button>
        <img id="img" width="100" src="<%= cate.cateIcon?cate.cateIcon:'https://img2.baidu.com/it/u=1771023030,733807280&fm=26&fmt=auto&gp=0.jpg' %>" alt="">
      </div>
    </div>
    <div class="layui-form-item layui-form-text">
      <label class="layui-form-label">分类描述</label>
      <div class="layui-input-block">
        <textarea name="cateDesc" placeholder="请输入内容" class="layui-textarea"><%= cate.cateDesc %></textarea>
      </div>
    </div>
    <div class="layui-form-item">
      <div class="layui-input-block">
        <button class="layui-btn" lay-submit lay-filter="formDemo">立即提交</button>
        <button type="reset" class="layui-btn layui-btn-primary">重置</button>
      </div>
    </div>
  </form>
  <script src="/static/lib/layui/layui.js"></script>
  <script>
    //Demo
    layui.use(['form', 'jquery', 'layer', 'upload'], function () {
      var form = layui.form;
      var $ = layui.jquery;
      var layer = layui.layer;
      var upload = layui.upload;
      // 分类图标上传
      //执行实例
      var url="<%= cate.cateIcon %>";
      var uploadInst = upload.render({
        elem: '#upload' //绑定元素
        , url: '/upload/' //上传接口
        , field: 'file' // 文件的字段名
        , done: function (res) {
          //上传完毕回调
          console.log(res);
          $('img').attr('src',res.data.file)
          url = res.data.file;
        }
        , error: function () {
          //请求异常回调
        }
      });
      //监听提交
      form.on('submit(formDemo)', function (data) {
        let obj = data.field;
        obj.cateIcon = url;
        $.ajax({
          url: '/cateUpdate',
          type: 'POST',
          data:obj,
          success: function (res) {
            if (res.code === 200) {
              // 更新成功
              layer.msg(res.msg, { icon: 1, time: 1000 }, function () {
                // 跳转到列表页
                location.href="/cateList"
              });

            } else {
              // 增加失败
              layer.msg(res.msg, { icon: 2 });
            }
          }
        }) 
        return false;
      });
    });
  </script>
</body>

</html>